<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<script src="./util.js"></script>
<script>

  function init(e) {
    console.log(e)
  }

  document.addEventListener('mousemove', throttle(init, 500, true))
</script>
</body>
</html>
